Color Wheel: Understand the color wheel and its relationships, including primary, secondary, and tertiary colors, as well as complementary, analogous, and triadic color schemes.

Color Psychology: Consider the psychological effects and associations that different colors evoke in people, as certain colors can convey emotions, influence moods, and affect user behavior.

Contrast: Utilize color contrast effectively to ensure readability and visibility of content. High contrast between foreground and background elements improves legibility.

Color Harmony: Create a harmonious color palette by selecting colors that work well together, either by using analogous colors for a cohesive look or complementary colors for a striking contrast.

Color Meaning: Understand the cultural and contextual meanings associated with different colors to ensure that your color choices align with the message or brand you want to convey.